Fix repeated Amber push config prompts and honor disabled push notifications

lib/common/notifications/notification_helper.dart

@@ -29,6 +29,14 @@ class NotificationHelper {
   Event? unSendNotification;
   bool forwardedToAmber = false;
 
+  final Map<String, bool> _pushDeniedBySigner = {};
+  String? _lastDeviceId;
+
+  void resetPushDenialCache() {
+    _pushDeniedBySigner.clear();
+    _lastDeviceId = null;
+  }
+
   Future<void> init() async {
     startHeartBeat();
     nc.addConnectStatusListener(
@@ -72,6 +80,13 @@ class NotificationHelper {
     String content,
   ) async {
     try {
+      if (canSign()) {
+        final pubkey = currentSigner!.getPublicKey();
+        if (_pushDeniedBySigner[pubkey] == true) {
+          return null;
+        }
+      }
+
       final enContent = await currentSigner!.encrypt04(content, receiver);
       final tags = Nip4.toTags(receiver, '', null);
 
@@ -96,6 +111,15 @@ class NotificationHelper {
 
       return event;
     } catch (e) {
+      final errorStr = e.toString().toLowerCase();
+      if (errorStr.contains('no permission') ||
+          errorStr.contains('permission denied') ||
+          errorStr.contains('denied')) {
+        if (canSign()) {
+          final pubkey = currentSigner!.getPublicKey();
+          _pushDeniedBySigner[pubkey] = true;
+        }
+      }
       lg.i(e);
       return null;
     }
@@ -155,12 +179,26 @@ class NotificationHelper {
     String deviceId,
     List<int> kinds,
   ) async {
+    final c = nostrRepository.currentAppCustomization;
+    if (!(c?.enablePushNotification ?? false)) {
+      return false;
+    }
+
+    if (deviceId.isNotEmpty && deviceId == _lastDeviceId) {
+      if (canSign()) {
+        final pubkey = currentSigner!.getPublicKey();
+        if (_pushDeniedBySigner[pubkey] == true) {
+          return false;
+        }
+      }
+    }
+
     if (serverPubkey.isEmpty || forwardedToAmber) {
       forwardedToAmber = false;
       return false;
     }
 
-    final c = nostrRepository.currentAppCustomization;
+    _lastDeviceId = deviceId;
 
     final map = {
       'online': deviceId.isEmpty ? 0 : 1,

lib/logic/notifications_cubit/notifications_cubit.dart

@@ -330,11 +330,16 @@ class NotificationsCubit extends Cubit<NotificationsState> {
   }
 
   void setPushNotifications(String deviceId) {
+    final c = nostrRepository.currentAppCustomization;
+
+    if (!(c?.enablePushNotification ?? false)) {
+      return;
+    }
+
     final kinds = <int>{
       EventKind.DIRECT_MESSAGE,
       EventKind.PRIVATE_DIRECT_MESSAGE,
     };
-    final c = nostrRepository.currentAppCustomization;
 
     if (c?.notifMentionsReplies ?? false) {
       kinds.addAll(

lib/logic/settings_cubit/settings_cubit.dart

@@ -9,6 +9,7 @@ import 'package:nostr_core_enhanced/nostr/event_signer/remote_event_signer.dart'
 import 'package:nostr_core_enhanced/nostr/nostr.dart';
 import 'package:nostr_core_enhanced/utils/utils.dart';
 
+import '../../common/notifications/notification_helper.dart';
 import '../../initializers.dart';
 import '../../models/app_client_model.dart';
 import '../../models/app_models/settings_data.dart';
@@ -248,6 +249,8 @@ class SettingsCubit extends Cubit<SettingsState> {
     nc.setSigner(currentSigner);
     currentUserRelayList.pubkey = currentSigner!.getPublicKey();
 
+    NotificationHelper.sharedInstance.resetPushDenialCache();
+
     try {
       nostrRepository.setCurrentAppCustomizationFromCache(broadcast: true);
       nostrRepository.setCurrentUserDraft();
@@ -292,6 +295,8 @@ class SettingsCubit extends Cubit<SettingsState> {
       currentSigner = null;
       nc.setSigner(currentSigner);
       nostrRepository.setCurrentSignerState(null);
+
+      NotificationHelper.sharedInstance.resetPushDenialCache();
       privateKeyIndex = index;
 
       c.call();